[22] Report of Malcolm Bell, Jr., and Frank Braynard.
[23] M'Kay, op. cit. ([footnote 5]).
[24] Darcy Lever, Sheet Anchor, London, 1808–1811. (Reprint, Providence, Rhode Island, 1930.)
[25] David Budlong Tyler, Steam Conquers the Atlantic, New York and London, 1939.
[26] S. C. Gilfillan, Inventing the Ship, New York, 1935.